頻率測量儀器 的英文怎麼說
中文拼音 [bīnlǜcèliángyíqì]
頻率測量儀器
英文
frequency measuring instrument- 頻 : Ⅰ形容詞(次數多) frequent Ⅱ副詞(屢次) frequently; repeatedly Ⅲ名詞1 [物理學] (物體每秒鐘振動...
- 率 : 率名詞(比值) rate; ratio; proportion
- 測 : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 儀 : 名詞1 (人的外表) appearance; bearing 2 (禮節; 儀式) ceremony; rite 3 (禮物)present; gift 4 ...
- 器 : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
- 頻率 : frequency; rate
- 測量 : measure; survey; gauge; meter; measurement; measuring; surveying; mensuration; metering; gauging;...
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The ring laser gyro ( rlg ) is a new photoelectric inertia sensor based on the optic interference theory. it uses the difference between the frequency of the two beams of light, which run in the opposite direction in the resonant cavity, to measure the carrier ’ s rotate speed and the orientation in the inertial space
環形激光陀螺儀( ringlasergyro ,簡稱rlg )是以光學干涉原理為基礎發展起來的新型光電慣性敏感儀器,它利用環形諧振腔內順、逆運行的兩束光的諧振頻率差來測量載體對于慣性空間的轉速和方位。The ? 1 word count error exists in nearly all kinds of digital time and frequency measuring instrument and it affects the instrument ' s measuring precision tremendously
在所有的數字式時間及頻率測量設備中,幾乎都存在著1個字的計數誤差。它的存在,極大地影響儀器的測量精度。Malfunctions can be diagnosed using infrared thermography without affecting the work state of tested equipments, thus the diagnostic accuracy can be improved. infrared thermography, just as often, improves electronic fault diagnosis by isolating the malfunction to specific areas of the circuit board, what is more, it usually does point directly to the failing component. thermography even can rapidly diagnose up to hundreds of elements on one pcb at one time, without requiring the operator to know the circuit principle very well, which can reduce the workload greatly
紅外故障檢測儀可以對電子設備進行在線測量,檢測時不會影響待測設備的正常工作和頻率特性,這對高頻電路的檢測尤其方便,且能提高診斷的準確性;他通常能指出電路板上的故障區域,甚至經常能直接找出故障元器件,這樣就提高了維修質量;並且能在不需要檢測人員對電路原理有深入理解和分析的情況下,對同一塊電路板上的數十隻甚至數百隻器件同時進行快速診斷,這就大大減少了維修人員的工作量,提高了維修人員的工作效率。Supported by heilongjiang province natural science foundation projects " research on the errors mechanism of time division a. c. power measurement " ( no. e9719 ), " research on theory of analog digital mixed sampling power energy measurement " ( no. e01 - 15 ) and foundation for university key teacher by the ministry of education " the research on the low audio frequency a. c. power measurement smart instrument " ( no. 1087 ), in this dissertation it is made that a systematic and deep study on power measurement model errors and instrument errors about analog sampling, digital sampling and mixed sampling measurement, and fully experiments about mixed sampling measurement
本學位論文在黑龍江省自然科學基金資助項目「時分割交流功率測量原理誤差產生機理的理論研究」 (編號: e9719 ) , 「模擬數字混合採樣功率與電能測量的理論研究」 (編號: e01 - 15 )和教育部高等學校骨幹教師資助計劃項目「中頻電功率測量智能儀器的研製」 (編號: 1087 )的資助下,以電功率模擬采樣測量、數字采樣測量和混合採樣測量方法為對象,對電功率測量的原理誤差和儀器誤差進行了系統和深入的理論研究和有關的實驗研究。In this dissertation, we studied the tcra1101plus total station position system, which introduced the principle and characters of the instrument ' s closed loop tracking system. also we explained the cause of prism ' s position error and brought forward mathematic model to correct, moreover, the good results has been drawn form the expenriments. the kinetic survey system have been realized, which the sampling rate attain more than 5hz and the position precision can be less than 2mm on condition that targeted - point moving slowly at the velocity below 2cm / s. having finished the survey system to examine whether the fine - tuning stewart platform in good status, we have finished mensurating the position reference of the fine - tuning stewart platform and the offset of the prism
在此基礎上研製了多臺儀器在線控制高頻采樣動態跟蹤測量系統,采樣率大於5hz ,在跟蹤小於2cm / s低速運動目標時,測量精度好於2mm ;完成對饋源二次精調系統的檢測,包括對二次精調平臺位置基準的標定和觀測棱鏡偏心差的測定;設計不同動態測量實驗,對全站儀動態跟蹤的誤差來源和特點進行了分析;從實驗角度,對全站儀的測量時滯及其穩定性進行了測試分析,給出了定量的結果;比較了全站儀和計算機的內部時間系統,發現兩者存在較大差異。This paper describes mainly system functions, measuring methods, circuit design, software program and errors analysis of a new type of measuring instrument. this instrument can measure and monitor electric parameters in single - phase circuits, three - phase ( three - wire or four - wire ) circuits. this system can be applied to electric devices and power plants, transformer substations with harmonic pollution. it can measure current, voltage, power, energy, frequence, power factor etc. it also can detect load quality, phase sequence, alarm, display and print results, as well as detect and dispose negative power
該儀器適用於含有諧波污染情況下的機電設備現場、發電廠、供電局、企業變電所現場,可用來測量電流、電壓、有功功率、無功功率、視在功率、有功電能、無功電能、視在電能以及頻率和功率因數等電參數,並具有負載性質(感性、容性)判別,正、逆相序判別指示功能;超限報警功能;列印記錄功能和負功檢測及處理功能。Direct acting indicating analogue electrical measuring instruments and their accessories part 4 : special requirements for frequency meters
直接動作指示模擬電氣測量儀器及其附件.第4部分:頻率表的特殊要求Direct acting indicating analogue electrical measuring instruments and their accessories. part 4 : special requirements for frequency meters
直接動作指示模擬電氣測量儀器及其附件.第4部分:頻率表的特殊要求Direct acting indicating analogue electrical measuring instruments and their accessories ; part 4 : special requirements for frequency meters iec 60051 - 4 : 1984, edition 4 ; german version en 60051 - 4 : 1989
直接顯示的模擬電器測量儀及附件.第4部分:頻率表的特A more in - depth discussion of commercially available time and frequency measurement equipment and standards, and how such instrumentation can be used in the metrology laboratory
市場上可用的時間頻率測量設備和標準的更深入的討論,以及此類儀器如何應用在計量實驗室。Because of the high executing efficiency of the assemble language, it is used to write modularized program for the down - computer software this testing instrument has the function of testing static strain, dynamic strain, dynamic load - coefficient, frequency and so on
軟體由上位機軟體和下位機軟體兩部分構成:下位機軟體採用模塊化編程思想,選擇執行效率最高的匯編語言編寫系統軟體。本測試儀器具有測試靜應變量、動應變量、動荷系數和頻率等功能。With the quick development of electronic technology, high - stability crystal oscillator is being used more and more widely. especially, temperature - compensated crystal oscillator ( tcxo ) is commonly used in electronic equipments such as communication, navigation, radar, measure instruments etc.
隨著電子技術的飛速發展,頻率高度穩定的晶體振蕩器得到了廣泛的應用,特別是溫度補償晶體振蕩器( tcxo )更是廣泛應用於通信、導航、雷達、測量儀表等電子設備中。The main results of this paper are as fellows f 1 ) illtroducing the ultrasonic technology to the rigid measurement, successful1y exploits the practical small intellectualized ultrasonic device of measuring rigidity by applying mechanical technology, electronic technology and computer science 2 ) reading clearcf displaying more various, applying more information, being easiest to accept by user because of adopting liquid crystal display ( lcd ) 3 ) theorizing the mathematical model between the signal of frequency and the rigid value on the device, possessing very importan practical significance 4 ) optimizing the every parts of the device, achieving the goals of lower wastage of energy, smaller, lighter and inexpensive 5 ) taking the measure to reduce the wastage of energy and adopting reasonable management in power supply for the device, making the device skimp more energy, prolonging the life - span of battery 6 ) utilizing the interface of rs - 232, discussing the communication between the ultrasonic device of measuring rigidity and computef, and also forecasting the foreground of advanced exploitation by user
本文工作的主要成果是: 1 )將超聲波技術引入零件表面硬度的檢測當中。應用機、電、計算機技術,研製成功較為實用的小型智能超聲波硬度檢測儀2 )採用lcd ( liquidcrystaldisplay )液晶顯示,使讀數更清晰、顯示多樣化、信息量多、易於為用戶接受3 )在理論上建立了該系統的頻率信號與硬度值的數學模型,具有非常重要的實踐意義4 )對各元器件進行優選,達到低能耗、體積小、重量輕、價格便宜等目的5 )採取措施降低整個系統的能耗並對系統的供電進行了合理的管理,使其進一步達到低能耗,延長了電池的使用壽命。 6 )利用rs - 232標準介面,討論了該超聲波智能硬度測量儀與系統機進行通訊以及用戶進行二次開發的前景Analog temperature compensation crystal oscillator ( atcxo ) is widely used in electronic equipments such as communications, navigation, radar, mobile telephone, program control telephone, measure instruments etc. as their reference frequency source, it is critical part of the above equipments, called as their “ heart ”
模擬溫度補償晶體振蕩器( atcxo )廣泛應用於通信、導航、雷達、移動通信、程式控制電話、測量儀器等電子設備中。作為基準頻率源,它是上述電子設備的關鍵部件,被稱為此類電子設備的「心臟」 。The telemetry delays for each tool have been standardization as channel alphabetical letters. so the telemetry gauge and interface circuit of tools are designed in this paper. the temperature data of the new kind of telemetry tools has special format consisting of an 8 bit digital temperature wore over an 8 frame time period for its high frequency and the data of flowmeter is uplinked on two time dot to determine downhole or uphole rotational direction
本文重新設計了新型遙傳短節和參數測量儀器的介面電路,部分參數的介面電路完全採用硬體電路實現;針對溫度參數的數據頻率高於新型遙傳方式可傳輸頻率范圍的矛盾,提出了按「位」傳輸的新方式;基於流量參數特有的方向性,對流量數據採用了兩道傳輸的方式。The measuring instrument for blade resonant frequency mainly consists of a front end circuit, a signal collecting circuit, and a coiilputing and displaying circuit. this paper provides a detailed hardware diagran, software flow chart and design process, expounds the operation and calibration of the instrument, and analyses the measuring data in detail according to different conditions
葉片共振頻率測試儀主要由前置電路,信號採集電路及運算和顯示電路組成,文中給出了詳細的硬體電路圖、軟體流程圖及設計過程,闡述了該儀器的使用和校驗方法,並針對不同的狀況對測量數據進行詳細的分析。Our national capacitance metrology level in the low frequency range ( below 10 khz ) has reached the international advanced level. but with the development of science and technology, there exists a big difference between our national and international advanced level in the aspect of the frequency range and the capacitance range etc, especially in the aspect of the frequency range. so the capacitance metrology technology in high frequency cannot meet the need of testing for impedance metrology standards and the measurement instruments
在低頻段( 10khz以下) ,我國電容計量水平已達到國際先進,但隨著科技的發展,在頻率范圍、量值范圍等方面與國際先進水平有較大的差距,特別是在頻率范圍方面,不能滿足進口阻抗計量標準器及其測量儀器的檢定測試要求,迫切需要在頻率范圍上進行擴展。So it is very essential to explore new instrument to measure power and frequency of high power pulse microwave
因此,研製功率和頻率測量統一於一體的,低成本、小體積且使用方便的便攜式大功率脈沖微波儀器具有十分重要的意義。Based on the large disturbance equation and using the measured power angle as an observation argument in an identification algorithm, the electrical parameters and mechanical parameters are obtained. in this thesis, micro - computer testing systems for synchronous generator is analyzed. withmcs - 196 series single chip micro - controller of high price performance ratio, a high precision, intelligent instrument for automated testing has been developed
設計了同步發電機參數測試儀器,完成了利用發電機定子電壓電流的波形,辨識發電機參數的計算機軟體,該裝置運用鎖相環技術自動跟蹤和獲取電量頻率,進行交流采樣,利用傅立葉演算法求得電量基波的幅值、有效值,從而可獲得三相有功功率、三相無功功率以及功率因數。At current, cw high power microwave power meter are huge, very expensive and cannot be used for high power pulse microwave signal measurement, and are separated
目前,現有大功率微波功率計體積大,價格高,無法測量大功率脈沖微波信號的頻率,並且功率、頻率測量儀器相互獨立。分享友人